Everything about this Turing machine is absolutely brilliant. A Turing machine uses a strip of material to record, calculate, and change data. [Mike Davey] built this one using servo motors, a Parallax Propeller, felt-tipped pen, and 1000 feet of film leader. The machine writes characters to the leader, reads them using a grayscale camera, and erases them with a rotating felt cylinder.

Watch the video after the break, it covers every one of the intricate details that add up to [Mike’s] perfect build. We loved his Nickel-O-Matic but he really outdid himself with this one. With our mouths still agape we’re going back for our fifth viewing.

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